Relief shown by hachures. Bar scale incorrect. Note in manuscript ink on paper affixed to verso: "To accompany the claim of H.R. Schoolcraft. The country coloured green lies west & north of the [Michigan superintendance?]." Additional note in manuscript ink, in a different hand and on different paper, affixed to verso: "Sub-[illegible]. 'K'." Available also through the Library of Congress Web site as a ...